Happymodel Mobula8 O4 2S HD Micro Whoop (ELRS)

Overview:
Happymodel Mobula8 O4 2S 85mm HD Micro Whoop is a compact digital HD FPV micro whoop drone built for pilots who want superior digital video alongside agile flight performance in an 85mm frame. This whoop has a quality brushless drivetrain, integrated ExpressLRS receiver and a DJI O4 Air Unit fitted with a field-of-view (FOV) extender for immersive FPV footage. With 2S battery support and ELRS control link, this drone blends the outstanding quality of digital HD video with the simplicity of ready-to-fly gratification. 

This whoop suits pilots who want a capable micro drone for freestyle and cinematic capture while maintaining the small size and safety benefits of a compact whoop. If you want a well-specified, digital-equipped whoop that pairs agile flight with immersive video capture and an integrated long-range control link, the Mobula8 O4 delivers these capabilities in a ready-built micro platform.

Features:
- Integrated DJI O4 Air Unit with wide-angle FOV extender enhances digital FPV video capture.
- UART ExpressLRS 2.4GHz receiver built into the flight controller for low-latency control and telemetry.
- Brushless powertrain with high-KV motors for responsive throttle and manoeuvrability.
- Adjustable canopy and camera mount allow alignment tuning for preferred flight view.

Specification:
- Happymodel Mobula8 O4 2S 85mm HD Micro Whoop
- Frame wheelbase: 85mm
- Overall dimensions: 120×120×53mm
- Weight: approximately 50g (with Air Unit installed)
- Motors: EX1103, 11000KV brushless 9N12P config
- Propellers: Gemfan Hurricane 2023, 2.3-inch tri-blade, 1.5mm centre hole
- Flight controller: STM32F405RGT6 (168MHz, 1MB flash) with BMI270 gyro and built-in BMP280 barometer
- Onboard 4-in-1 ESC: 12A continuous, 15A peak (3s)
- ExpressLRS receiver: 2.4GHz, upgradable firmware, telemetry support.
- DJI O4 Air Unit video: 1080p live view up to 100fps
- Battery support: 1S–2S LiPo (2.9–8.7V input) 
- Battery bay loop internal measurements: ~(w)16.9 x (h)13mm
- Camera FOV extender: approximates up to 150° field of view with included filters.

Included:
- 1x Happymodel Mobula8 O4 2S 85mm HD Micro Whoop
- Accessories, spare props etc